故障现象 一辆本田电喷轿车,冷启动后,发动机严重抖动,而且易熄火,热车基本正常。 故障分析与判断 本田轿车装用的是4缸多点喷射16气门发动机,冷启动后抖动,分析可能是冷启动后供油不足。因为冷启动时,进气管及缸壁上还会有一部分燃油凝结,有可能出现燃油供给不足,因此在发动机暖车期间,必须供给适当加浓的 Symptoms A Honda EFI car, cold start, the engine was severely jitter, and easy to turn off the hot car basically normal. Failure Analysis and Judgment Honda sedan is equipped with a multi-point injection of 16-cylinder 16-valve engine, jitter after cold start, the analysis may be insufficient supply after cold start. Because of cold start, the intake pipe and cylinder wall will also have some fuel condensation, there may be insufficient fuel supply, so the engine warm-up period, you must supply the appropriate enrichment